PreviewSftTree Sample (C#)
This sample illustrates using a SftTree/OCX control.
The source code is located at C:\Program Files (x86)\Softelvdm\SftPrintPreview OCX 1.0\Samples\Visual Studio - CSharp\PreviewSftTree\Form1.cs or C:\Program Files\Softelvdm\SftPrintPreview OCX 1.0\Samples\Visual Studio - CSharp\PreviewSftTree\Form1.cs (on 32-bit Windows versions).
private void menuExit_Click(object sender, System.EventArgs e) {
Application.Exit();
}
private void CopyImageFromCurrentItem()
{
int ItemIndex;
SftPictureObject Img;
ItemIndex = axSftTree1.Items.Current;
if (ItemIndex < 0)
return;
// don't use images that are too large in the other areas
Img = axSftTree1.get_Cell(ItemIndex, 0).Image;
if (Img.ActualHeight <= 20 && Img.ActualWidth <= 20) {
axSftTree1.RowColumnHeader.Image = Img;
axSftTree1.get_Header(1).Image = Img;
} else {
axSftTree1.RowColumnHeader.Image.Clear();
axSftTree1.get_Header(1).Image.Clear();
}
}
private void ToggleImage(SftPictureObject Img)
{
switch (Img.Appearance) {
case SftPictureImageConstants.sftImageCheckboxNo:
Img.Appearance = SftTreeLib65.SftPictureImageConstants.sftImageCheckboxYes;
break;
case SftPictureImageConstants.sftImageCheckboxYes:
Img.Appearance = SftTreeLib65.SftPictureImageConstants.sftImageCheckboxNo;
break;
case SftPictureImageConstants.sftImageCheckboxUnknown:
Img.Appearance = SftTreeLib65.SftPictureImageConstants.sftImageCheckboxNo;
break;
case SftPictureImageConstants.sftImageCheckboxNoDisabled:
Img.Appearance = SftTreeLib65.SftPictureImageConstants.sftImageCheckboxYesDisabled;
break;
case SftPictureImageConstants.sftImageCheckboxYesDisabled:
Img.Appearance = SftTreeLib65.SftPictureImageConstants.sftImageCheckboxNoDisabled;
break;
case SftPictureImageConstants.sftImageCheckboxUnknownDisabled:
Img.Appearance = SftTreeLib65.SftPictureImageConstants.sftImageCheckboxNoDisabled;
break;
case SftPictureImageConstants.sftImageRadioButtonNo:
Img.Appearance = SftTreeLib65.SftPictureImageConstants.sftImageRadioButtonYes;
break;
case SftPictureImageConstants.sftImageRadioButtonYes:
Img.Appearance = SftTreeLib65.SftPictureImageConstants.sftImageRadioButtonNo;
break;
case SftPictureImageConstants.sftImageRadioButtonNoDisabled:
Img.Appearance = SftTreeLib65.SftPictureImageConstants.sftImageRadioButtonYesDisabled;
break;
case SftPictureImageConstants.sftImageRadioButtonYesDisabled:
Img.Appearance = SftTreeLib65.SftPictureImageConstants.sftImageRadioButtonNoDisabled;
break;
case SftPictureImageConstants.sftImageUp:
Img.Appearance = SftTreeLib65.SftPictureImageConstants.sftImageDown;
break;
case SftPictureImageConstants.sftImageUpDisabled:
Img.Appearance = SftTreeLib65.SftPictureImageConstants.sftImageDownDisabled;
break;
case SftPictureImageConstants.sftImageDown:
Img.Appearance = SftTreeLib65.SftPictureImageConstants.sftImageUp;
break;
case SftPictureImageConstants.sftImageDownDisabled:
Img.Appearance = SftTreeLib65.SftPictureImageConstants.sftImageUpDisabled;
break;
case SftPictureImageConstants.sftImageSortAsc:
Img.Appearance = SftTreeLib65.SftPictureImageConstants.sftImageSortDesc;
break;
case SftPictureImageConstants.sftImageSortAscDisabled:
Img.Appearance = SftTreeLib65.SftPictureImageConstants.sftImageSortDescDisabled;
break;
case SftPictureImageConstants.sftImageSortDesc:
Img.Appearance = SftTreeLib65.SftPictureImageConstants.sftImageSortAsc;
break;
case SftPictureImageConstants.sftImageSortDescDisabled:
Img.Appearance = SftTreeLib65.SftPictureImageConstants.sftImageSortAscDisabled;
break;
}
}
private void PropagateImage(int ItemIndex, SftPictureObject Img)
{
// don't use images that are too large in the other areas
if (Img.ActualHeight <= 20 && Img.ActualWidth < 20) {
axSftTree1.get_Item(ItemIndex).Image = Img;
axSftTree1.get_Item(ItemIndex).LabelImage = Img;
axSftTree1.get_Item(ItemIndex).RowHeader.Image = Img;
}
}
private void UpdatePictures(int ItemIndex, stdole.IPictureDisp IPic, SftTreeHAlignConstants Align)
{
SftTreeCell C = axSftTree1.get_Cell(ItemIndex, 0);
C.Image.Picture = IPic;
C.ImageHAlign = Align;
PropagateImage(ItemIndex, C.Image);
}
private void UpdateImageList(int ItemIndex, ImageList ImageListControl, int i, SftTreeHAlignConstants Align)
{
SftTreeCell C = axSftTree1.get_Cell(ItemIndex, 0);
C.Image.SetImageListH((int) ImageListControl.Handle, (short) i);
C.ImageHAlign = Align;
PropagateImage(ItemIndex, C.Image);
}
private void UpdateColor(int ItemIndex, System.Drawing.Color Clr, SftTreeHAlignConstants Align)
{
SftTreeCell C = axSftTree1.get_Cell(ItemIndex, 0);
C.Image.SetColorSample((uint) ColorTranslator.ToOle(Clr), (uint) ColorTranslator.ToOle(Color.Black));
C.Image.Width = 12;
C.Image.Height = 12;
C.ImageHAlign = Align;
PropagateImage(ItemIndex, C.Image);
}
private void AddColor(string Text, Color Clr)
{
int i;
i = axSftTree1.Items.Add(Text);
axSftTree1.get_Item(i).Level = 2;
UpdateColor(i, Clr, SftTreeHAlignConstants.halignSftTreeRight);
}
private void UpdateBuiltinImage(int ItemIndex, SftPictureImageConstants Style, int wPix, int hPix, SftTreeHAlignConstants Align)
{
SftTreeCell C = axSftTree1.get_Cell(ItemIndex, 0);
C.Image.Appearance = Style;
C.Image.Width = wPix;
C.Image.Height = hPix;
C.ImageHAlign = Align;
PropagateImage(ItemIndex, C.Image);
}
private void AddBuiltinImage(string Text, SftPictureImageConstants Style, int wPix, int hPix)
{
int i = axSftTree1.Items.Add(Text);
axSftTree1.get_Item(i).Level = 2;
UpdateBuiltinImage(i, Style, wPix, hPix, SftTreeHAlignConstants.halignSftTreeRight);
}
private void ShowSortDirection(bool Ascending)
{
if (Ascending)
axSftTree1.get_Header(0).Image.Appearance = SftPictureImageConstants.sftImageSortAsc;
else
axSftTree1.get_Header(0).Image.Appearance = SftPictureImageConstants.sftImageSortDesc;
m_SortDirection = Ascending;
}
private void SetSortDirection(bool NewDirection)
{
ShowSortDirection(NewDirection);
if (NewDirection)
axSftTree1.Items.SortDependents(-1, 0, SftTreeSortTypeConstants.sortSftTreeAscending);
else
axSftTree1.Items.SortDependents(-1, 0, SftTreeSortTypeConstants.sortSftTreeDescending);
}
private void Form1_Load(object sender, System.EventArgs e) {
axSftPrintPreview1.Dock = DockStyle.Fill;
axSftTree1.Dock = DockStyle.Fill;
axSftTree1.BulkUpdate = true;
for (int counter = 0 ; counter < 10 ; ++counter)
{
int ItemIndex = axSftTree1.Items.Add("Supported Picture Types");
axSftTree1.get_Cell(ItemIndex, 1).Text = "SftTree/OCX supports numerous image types, such as bitmaps, icons, ImageLists and also offers numerous built-in images.";
// add bitmap samples
ItemIndex = axSftTree1.Items.Add("Bitmaps");
axSftTree1.get_Item(ItemIndex).Level = 1;
axSftTree1.get_Cell(ItemIndex, 1).Text = "Bitmaps can be of varying sizes and also support Bitmap Transparency, which allows the background to show through the image (in areas selected by the bitmap designer).";
int I = axSftTree1.Items.Add("Large Bitmap");
axSftTree1.get_Item(I).Level = 2;
UpdatePictures(I, OLECvt.ToIPictureDisp(PictureLogo.Image), SftTreeHAlignConstants.halignSftTreeRight);
I = axSftTree1.Items.Add("Various bitmap sizes");
axSftTree1.get_Item(I).Level = 2;
UpdatePictures(I, OLECvt.ToIPictureDisp(PictureSmallBitmap.Image), SftTreeHAlignConstants.halignSftTreeRight);
// add icon samples
ItemIndex = axSftTree1.Items.Add("Icons");
axSftTree1.get_Item(ItemIndex).Level = 1;
axSftTree1.get_Cell(ItemIndex, 1).Text = "The supported icons can be stardard size icons (32x32) or any other size supported by the operating system.";
I = axSftTree1.Items.Add("Standard Icon (32x32)");
axSftTree1.get_Item(I).Level = 2;
UpdatePictures(I, OLECvt.ToIPictureDisp(PictureIcon.Image), SftTreeHAlignConstants.halignSftTreeRight);
I = axSftTree1.Items.Add("Any other size");
axSftTree1.get_Item(I).Level = 2;
UpdatePictures(I, OLECvt.ToIPictureDisp(PictureIconSmall.Image), SftTreeHAlignConstants.halignSftTreeRight);
// add imagelist samples
ItemIndex = axSftTree1.Items.Add("ImageLists");
axSftTree1.get_Item(ItemIndex).Level = 1;
axSftTree1.get_Cell(ItemIndex, 1).Text = "Complete ImageList support simplifies bitmap handling and can avoid the limited resource availability on earlier Windows versions.";
for (int C = 0 ; C < imageList1.Images.Count ; ++C) {
I = axSftTree1.Items.Add("Image " + C.ToString());
axSftTree1.get_Item(I).Level = 2;
UpdateImageList(I, imageList1, C, SftTreeHAlignConstants.halignSftTreeRight);
}
// add color samples
ItemIndex = axSftTree1.Items.Add("Color Samples");
axSftTree1.get_Item(ItemIndex).Level = 1;
axSftTree1.get_Cell(ItemIndex, 1).Text = "Using the built-in color sample image, simple color selection can easily be implemented. Color samples can display all colors available.";
AddColor("Black", System.Drawing.Color.Black);
AddColor("Blue", System.Drawing.Color.Blue);
AddColor("Cyan", System.Drawing.Color.Cyan);
AddColor("Green", System.Drawing.Color.Lime);
AddColor("Magenta", System.Drawing.Color.Magenta);
AddColor("Red", System.Drawing.Color.Red);
AddColor("White", System.Drawing.Color.White);
AddColor("Yellow", System.Drawing.Color.Yellow);
AddColor("3DDKSHADOW - Dark shadow for 3D elements", System.Drawing.SystemColors.ControlDarkDark);
AddColor("3DFACE - Face color for 3D elements", System.Drawing.SystemColors.Control);
AddColor("3DHILIGHT - Edges facing the light source", System.Drawing.SystemColors.ControlLightLight);
AddColor("3DLIGHT - Edges facing the light source", System.Drawing.SystemColors.ControlLight);
AddColor("3DSHADOW - Edges facing away from the light source", System.Drawing.SystemColors.ControlDark);
AddColor("INFOBK - Background color for tooltip controls", System.Drawing.SystemColors.Info);
AddColor("INFOTEXT - Text color for tooltip controls", System.Drawing.SystemColors.InfoText);
AddColor("MENUTEXT - Text in menus", System.Drawing.SystemColors.MenuText);
AddColor("ACTIVEBORDER - Active window border", System.Drawing.SystemColors.ActiveBorder);
AddColor("ACTIVECAPTION - Active window caption", System.Drawing.SystemColors.ActiveCaption);
AddColor("APPWORKSPACE - Background color MDI applications", System.Drawing.SystemColors.AppWorkspace);
AddColor("BACKGROUND - Desktop", System.Drawing.SystemColors.Desktop);
AddColor("BTNFACE - Face shading on push buttons", System.Drawing.SystemColors.Control);
AddColor("BTNHILIGHT - Highlight color for buttons", System.Drawing.SystemColors.ControlLightLight);
AddColor("BTNSHADOW - Edge shading on push buttons", System.Drawing.SystemColors.ControlDark);
AddColor("BTNTEXT - Text on push buttons", System.Drawing.SystemColors.ControlText);
AddColor("CAPTIONTEXT - Text in caption", System.Drawing.SystemColors.ActiveCaptionText);
AddColor("GRAYTEXT - Grayed (disabled); text", System.Drawing.SystemColors.GrayText);
AddColor("HIGHLIGHT - Selected Item(s)", System.Drawing.SystemColors.Highlight);
AddColor("HIGHLIGHTTEXT - Text of selected item(s)", System.Drawing.SystemColors.HighlightText);
AddColor("INACTIVEBORDER - Inactive window border", System.Drawing.SystemColors.InactiveBorder);
AddColor("INACTIVECAPTION - Inactive window caption", System.Drawing.SystemColors.InactiveCaption);
AddColor("INACTIVECAPTIONTEXT - Inactive caption text color", System.Drawing.SystemColors.InactiveCaptionText);
AddColor("MENU - Menu background", System.Drawing.SystemColors.Menu);
AddColor("SCROLLBAR - Scroll bar gray area", System.Drawing.SystemColors.ScrollBar);
AddColor("WINDOW - Window background", System.Drawing.SystemColors.Window);
AddColor("WINDOWFRAME - Window frame", System.Drawing.SystemColors.WindowFrame);
AddColor("WINDOWTEXT - Text in windows", System.Drawing.SystemColors.WindowText);
// add predefined image samples
ItemIndex = axSftTree1.Items.Add("Predefined (Built-in) Pictures");
axSftTree1.get_Cell(ItemIndex, 1).Text = "Predefined images are available for commonly used items, such as check boxes, radio buttons, sort direction indicators and more...";
ItemIndex = axSftTree1.Items.Add("Check Boxes - Honors Windows Themes");
axSftTree1.get_Item(ItemIndex).Level = 1;
AddBuiltinImage("Enabled, Selected Check Box", SftTreeLib65.SftPictureImageConstants.sftImageCheckboxYes, 14, 14);
AddBuiltinImage("Disabled, Selected Check Box", SftTreeLib65.SftPictureImageConstants.sftImageCheckboxYesDisabled, 14, 14);
AddBuiltinImage("Enabled Check Box", SftTreeLib65.SftPictureImageConstants.sftImageCheckboxNo, 14, 14);
AddBuiltinImage("Disabled Check Box", SftTreeLib65.SftPictureImageConstants.sftImageCheckboxNoDisabled, 14, 14);
AddBuiltinImage("Enabled, Unknown Check Box", SftTreeLib65.SftPictureImageConstants.sftImageCheckboxUnknown, 14, 14);
AddBuiltinImage("Disabled, Unknown Check Box", SftTreeLib65.SftPictureImageConstants.sftImageCheckboxUnknownDisabled, 14, 14);
ItemIndex = axSftTree1.Items.Add("Radio Buttons - Honors Windows Themes");
axSftTree1.get_Item(ItemIndex).Level = 1;
AddBuiltinImage("Enabled, Selected Radio Button", SftTreeLib65.SftPictureImageConstants.sftImageRadioButtonYes, 14, 14);
AddBuiltinImage("Disabled, Selected Radio Button", SftTreeLib65.SftPictureImageConstants.sftImageRadioButtonYesDisabled, 14, 14);
AddBuiltinImage("Enabled Radio Button", SftTreeLib65.SftPictureImageConstants.sftImageRadioButtonNo, 14, 14);
AddBuiltinImage("Disabled Radio Button", SftTreeLib65.SftPictureImageConstants.sftImageRadioButtonNoDisabled, 14, 14);
ItemIndex = axSftTree1.Items.Add("Up/Down Buttons - Honors Windows Themes");
axSftTree1.get_Item(ItemIndex).Level = 1;
AddBuiltinImage("Enabled Up Button", SftTreeLib65.SftPictureImageConstants.sftImageUp, 14, 14);
AddBuiltinImage("Disabled Up Button", SftTreeLib65.SftPictureImageConstants.sftImageUpDisabled, 14, 14);
AddBuiltinImage("Enabled Down Button", SftTreeLib65.SftPictureImageConstants.sftImageDown, 14, 14);
AddBuiltinImage("Disabled Down Button", SftTreeLib65.SftPictureImageConstants.sftImageDownDisabled, 14, 14);
ItemIndex = axSftTree1.Items.Add("Sort Direction Indicator");
axSftTree1.get_Item(ItemIndex).Level = 1;
AddBuiltinImage("Enabled Ascending Indicator", SftTreeLib65.SftPictureImageConstants.sftImageSortAsc, 8, 8);
AddBuiltinImage("Disabled Ascending Indicator", SftTreeLib65.SftPictureImageConstants.sftImageSortAscDisabled, 8, 8);
AddBuiltinImage("Enabled Descending Indicator", SftTreeLib65.SftPictureImageConstants.sftImageSortDesc, 8, 8);
AddBuiltinImage("Disabled Descending Indicator", SftTreeLib65.SftPictureImageConstants.sftImageSortDescDisabled, 8, 8);
}
axSftTree1.BulkUpdate = false;
axSftTree1.RowHeaders.MakeOptimal(); // make the row headers optimal
axSftTree1.get_Column(0).MakeOptimal(); // make the first column optimal
axSftTree1.Items.RecalcHorizontalExtent(); // update horizontal scroll bar
axSftTree1.get_Item(0).Selected = true;
axSftTree1.Items.Current = 0;
CopyImageFromCurrentItem();
// Connect the tree control to the print preview control
axSftPrintPreview1.ContentProvider = axSftTree1.hWnd;
}
private void axSftTree1_ItemClick(object sender, AxSftTreeLib65._DSftTreeEvents_ItemClickEvent e)
{
SftTreeAreaTypeConstants areaType = (SftTreeAreaTypeConstants) e.areaType;
if (areaType == SftTreeAreaTypeConstants.constSftTreeExpandAll)
axSftTree1.get_Item(e.itemIndex).Expand(true, true);
else if (areaType == SftTreeAreaTypeConstants.constSftTreeColumn && e.colIndex == 0)
SetSortDirection(!m_SortDirection);
else if (areaType == SftTreeAreaTypeConstants.constSftTreeCellGraphic)
ToggleImage(axSftTree1.get_Cell(e.itemIndex, e.colIndex).Image);
else if (areaType == SftTreeAreaTypeConstants.constSftTreeItem)
ToggleImage(axSftTree1.get_Item(e.itemIndex).Image);
else if (areaType == SftTreeAreaTypeConstants.constSftTreeLabel)
ToggleImage(axSftTree1.get_Item(e.itemIndex).LabelImage);
}
private void axSftTree1_ItemDblClick(object sender, AxSftTreeLib65._DSftTreeEvents_ItemDblClickEvent e) {
SftTreeAreaTypeConstants areaType = (SftTreeAreaTypeConstants) e.areaType;
if (areaType == SftTreeAreaTypeConstants.constSftTreeColumnRes) {
axSftTree1.get_Column(e.colIndex).MakeOptimal(); // Make column width optimal
axSftTree1.Items.RecalcHorizontalExtent(); // Update horizontal scroll bar
} else if (areaType == SftTreeAreaTypeConstants.constSftTreeColumn && e.colIndex == 0)
SetSortDirection(!m_SortDirection);
else if (areaType == SftTreeAreaTypeConstants.constSftTreeCellGraphic)
ToggleImage(axSftTree1.get_Cell(e.itemIndex, e.colIndex).Image);
}
private void axSftTree1_SelectionChange(object sender, System.EventArgs e) {
CopyImageFromCurrentItem();
}
private void menuViewSftTree_Click(object sender, System.EventArgs e)
{
// Show the tree control
axSftTree1.Visible = true;
axSftTree1.Enabled = true;
axSftTree1.Focus();
axSftTree1.Width = this.Width;
axSftTree1.Height = this.Height;
// Disable & hide the print preview control
axSftPrintPreview1.Visible = false;
axSftPrintPreview1.Enabled = false;
}
private void menuPrintPreview_Click(object sender, System.EventArgs e)
{
// Disable & hide the tree control
axSftTree1.Visible = false;
axSftTree1.Enabled = false;
// Show the print preview control
axSftPrintPreview1.Enabled = true;
axSftPrintPreview1.Visible = true;
axSftPrintPreview1.Focus();
axSftPrintPreview1.Width = this.Width;
axSftPrintPreview1.Height = this.Height;
// In case the tree control changed, we have to reformat everything
axSftPrintPreview1.Restart(SftPrintPreviewRestartConstants.restartSftPrintPreviewComplete);
}
private void axSftPrintPreview1_PageSetupWanted(object sender, System.EventArgs e)
{
axSftPrintPreview1.PageSetup(0);
}
private void axSftPrintPreview1_HelpWanted(object sender, AxSftPrintPreviewLib10._ISftPrintPreviewEvents_HelpWantedEvent e)
{
MessageBox.Show("Sorry, this sample doesn't offer a help file");
}
private void axSftPrintPreview1_CloseWanted(object sender, System.EventArgs e)
{
menuViewSftTree_Click(this, new System.EventArgs());
}
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