To handle the clicks on the toolbar buttons and dispatch them to the appropriate handlers, use the following code:
' handle clicks on toolbar buttons
Private Sub _tb_ButtonClick(ByVal sender As System.Object, ByVal e As System.Windows.Forms.ToolBarButtonClickEventArgs) Handles _tb.ButtonClick
' design/preview mode
If e.Button.Equals(_btnDesign) Then
SetDesignMode(True)
End If
If e.Button.Equals(_btnPreview) Then
SetDesignMode(False)
' file commands
If e.Button.Equals(_btnNew) Then
NewFile()
If e.Button.Equals(_btnOpen) Then
OpenFile()
If e.Button.Equals(_btnSave) Then
SaveFile()
' allow user to undo clipboard operations
If e.Button.Equals(_btnCut) Or e.Button.Equals(_btnPaste) Then
_c1rd.UndoStack.SaveState()
End If
' clipboard
If e.Button.Equals(_btnCut) Then
_c1rd.ClipboardHandler.Cut()
If e.Button.Equals(_btnCopy) Then
_c1rd.ClipboardHandler.Copy()
If e.Button.Equals(_btnPaste) Then
_c1rd.ClipboardHandler.Paste()
' undo/redo
If e.Button.Equals(_btnUndo) Then
_c1rd.UndoStack.Undo()
If e.Button.Equals(_btnRedo) Then
_c1rd.UndoStack.Redo()
' add/remove reports
If e.Button.Equals(_btnAddReport) Then
NewReport()
If e.Button.Equals(_btnDelReport) Then
DeleteReport()
' add fields
' (just set create info and wait for CreateField event from designer)
If e.Button.Equals(_btnAddField) Then
_c1rd.CreateFieldInfo = e.Button
End If
If e.Button.Equals(_btnAddLabel) Then
_c1rd.CreateFieldInfo = e.Button
End If
End Sub
• C#
// handle clicks on toolbar buttons
private void _tb_ButtonClick(object sender,
System.Windows.Forms.ToolBarButtonClickEventArgs e)
{
// design/preview mode
if (e.Button == _btnDesign) SetDesignMode(true);
if (e.Button == _btnPreview) SetDesignMode(false);
// file commands
if (e.Button == _btnNew) NewFile();
if (e.Button == _btnOpen) OpenFile();
if (e.Button == _btnSave) SaveFile();
// allow user to undo clipboard operations
if (e.Button == _btnCut || e.Button == _btnPaste)
_c1rd.UndoStack.SaveState();
// clipboard
if (e.Button == _btnCut) _c1rd.ClipboardHandler.Cut();
if (e.Button == _btnCopy) _c1rd.ClipboardHandler.Copy();
if (e.Button == _btnPaste) _c1rd.ClipboardHandler.Paste();
// undo/redo
if (e.Button == _btnUndo) _c1rd.UndoStack.Undo();
if (e.Button == _btnRedo) _c1rd.UndoStack.Redo();
// add/remove reports
if (e.Button == _btnAddReport) NewReport();
if (e.Button == _btnDelReport) DeleteReport();
// add fields
// (just set create info and wait for CreateField event from designer)
if (e.Button == _btnAddField) _c1rd.CreateFieldInfo = e.Button;
if (e.Button == _btnAddLabel) _c1rd.CreateFieldInfo = e.Button;
}
This routine dispatches about half of the commands to specialized handlers. These will be described later. The other half (clipboard, undo/redo) is handled directly by the C1ReportDesigner control.
Note that before calling the Cut and Paste methods, the code calls the SaveState method to save the current state of the report. This allows the user to undo and redo clipboard operations. In general, your code should always call SaveState before making changes to the report.
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