void IWindowsFormsEditorService.DropDownControl(Control ctl)
{
if (this.dropDownHolder == null)
{
this.dropDownHolder = new DropDownHolder(this);
}
this.dropDownHolder.SetComponent(ctl);
this.dropDownHolder.Location = base.PointToScreen(new Point(0, base.Height));
try
{
this.dropDownHolder.Visible = true;
System.Design.UnsafeNativeMethods.SetWindowLong(new HandleRef(this.dropDownHolder, this.dropDownHolder.Handle), -8, new HandleRef(this, base.Handle));
this.dropDownHolder.FocusComponent();
this.dropDownHolder.DoModalLoop();
}
finally
{
System.Design.UnsafeNativeMethods.SetWindowLong(new HandleRef(this.dropDownHolder, this.dropDownHolder.Handle), -8, new HandleRef(null, IntPtr.Zero));
}
}
public virtual void DropDownControl(Control control)
{
if (dropDownHolder == null)
{
dropDownHolder = new DropDownHolder(this);
}
control.RightToLeft = parentControl.RightToLeft;
dropDownHolder.Visible = false;
dropDownHolder.SetComponent(control);
control.BackColor = parentControl.BackColor;
control.ForeColor = parentControl.ForeColor;
control.Font = parentControl.Font;
Rectangle rectparent = parentControl.Bounds;
Size size = dropDownHolder.Size;
Point point = parentControl.Parent.PointToScreen(new Point(0, 0));
Rectangle rectworking = Screen.GetWorkingArea(Control.MousePosition);
if (parentControl.RightToLeft == RightToLeft.No)
{
point.X = Math.Min((rectworking.X + rectworking.Width) - size.Width, Math.Max(rectworking.X, ((point.X + rectparent.X) + rectparent.Width) - size.Width));
}
else
{
point.X = Math.Min((rectworking.X + rectworking.Width) - size.Width, Math.Max(rectworking.X, point.X + rectparent.X));
}
point.Y += rectparent.Y;
if ((rectworking.Y + rectworking.Height) < (size.Height + point.Y + parentControl.pickerTextBox.Height))
{
point.Y -= size.Height;
}
else
{
point.Y = point.Y + rectparent.Height + 1;
}
dropDownHolder.SetBounds(point.X, point.Y, size.Width, size.Height);
dropDownHolder.Visible = true;
dropDownHolder.FocusComponent();
parentControl.pickerTextBox.SelectAll();
dropDownHolder.DoModalLoop();
}
/// <include file='doc\PropertyGridView.uex' path='docs/doc[@for="PropertyGridView.DropDownControl"]/*' />
/// <devdoc>
/// Displays the provided control in a drop down. When possible, the
/// current dimensions of the control will be respected. If this is not possible
/// for the current screen layout the control may be resized, so it should
/// be implemented using appropriate docking and anchoring so it will resize
/// nicely. If the user performs an action that would cause the drop down
/// to prematurely disappear the control will be hidden.
/// </devdoc>
public void /* cpr IWindowsFormsEditorService. */ DropDownControl(Control ctl) {
Debug.WriteLineIf(CompModSwitches.DebugGridView.TraceVerbose, "PropertyGridView:DropDownControl");
Debug.WriteLineIf(GridViewDebugPaint.TraceVerbose, "DropDownControl(ctl = " + ctl.GetType().Name + ")");
if (dropDownHolder == null) {
dropDownHolder = new DropDownHolder(this);
}
dropDownHolder.Visible = false;
dropDownHolder.SetComponent(ctl, GetFlag(FlagResizableDropDown));
Rectangle rect = GetRectangle(selectedRow,ROWVALUE);
Size size = dropDownHolder.Size;
Point loc = PointToScreen(new Point(0, 0));
Rectangle rectScreen = Screen.FromControl(Edit).WorkingArea;
size.Width = Math.Max(rect.Width+1,size.Width);
// Not needed... CYMAXDDLHEIGHT used to be 200, but why limit it???
//size.Height = Math.Min(size.Height,CYMAXDDLHEIGHT);
loc.X = Math.Min(rectScreen.X + rectScreen.Width - size.Width,
Math.Max(rectScreen.X,loc.X + rect.X + rect.Width - size.Width));
loc.Y += rect.Y;
if (rectScreen.Y + rectScreen.Height < (size.Height + loc.Y + Edit.Height)) {
loc.Y -= size.Height;
dropDownHolder.ResizeUp = true;
}
else {
loc.Y += rect.Height + 1;
dropDownHolder.ResizeUp = false;
}
UnsafeNativeMethods.SetWindowLong(new HandleRef(dropDownHolder, dropDownHolder.Handle), NativeMethods.GWL_HWNDPARENT, new HandleRef(this, Handle));
dropDownHolder.SetBounds(loc.X,loc.Y,size.Width,size.Height);
SafeNativeMethods.ShowWindow(new HandleRef(dropDownHolder, dropDownHolder.Handle), NativeMethods.SW_SHOWNA);
Edit.Filter = true;
dropDownHolder.Visible = true;
dropDownHolder.FocusComponent();
SelectEdit(false);
try {
DropDownButton.IgnoreMouse = true;
dropDownHolder.DoModalLoop();
}
finally {
DropDownButton.IgnoreMouse = false;
}
if (selectedRow != -1) {
FocusInternal();
SelectRow(selectedRow);
}
}
protected override void Dispose(bool disposing) {
if (disposing) {
Debug.WriteLineIf(CompModSwitches.DebugGridView.TraceVerbose, "PropertyGridView:Dispose");
if (scrollBar != null) scrollBar.Dispose();
if (listBox != null) listBox.Dispose();
if (dropDownHolder != null) dropDownHolder.Dispose();
scrollBar = null;
listBox = null;
dropDownHolder = null;
ownerGrid = null;
topLevelGridEntries = null;
allGridEntries = null;
serviceProvider = null;
topHelpService = null;
if (helpService != null && helpService is IDisposable)
((IDisposable)helpService).Dispose();
helpService = null;
if (edit != null) {
edit.Dispose();
edit = null;
}
if (fontBold != null) {
fontBold.Dispose();
fontBold = null;
}
if (btnDropDown != null) {
btnDropDown.Dispose();
btnDropDown = null;
}
if (btnDialog != null) {
btnDialog.Dispose();
btnDialog = null;
}
if (toolTip != null) {
toolTip.Dispose();
toolTip = null;
}
}
base.Dispose(disposing);
}
void IWindowsFormsEditorService.DropDownControl(Control ctl)
{
if (this.dropDownHolder == null)
{
this.dropDownHolder = new DropDownHolder(this);
}
this.dropDownHolder.SetComponent(ctl);
this.dropDownHolder.Location = base.PointToScreen(new Point(0, base.Height));
try
{
this.dropDownHolder.Visible = true;
System.Design.UnsafeNativeMethods.SetWindowLong(new HandleRef(this.dropDownHolder, this.dropDownHolder.Handle), -8, new HandleRef(this, base.Handle));
this.dropDownHolder.FocusComponent();
this.dropDownHolder.DoModalLoop();
}
finally
{
System.Design.UnsafeNativeMethods.SetWindowLong(new HandleRef(this.dropDownHolder, this.dropDownHolder.Handle), -8, new HandleRef(null, IntPtr.Zero));
}
}
public void DropDownControl(Control ctl)
{
if (this.dropDownHolder == null)
{
this.dropDownHolder = new DropDownHolder(this);
}
this.dropDownHolder.Visible = false;
this.dropDownHolder.SetComponent(ctl, this.GetFlag(0x400));
Rectangle rectangle = this.GetRectangle(this.selectedRow, 2);
Size size = this.dropDownHolder.Size;
Point point = base.PointToScreen(new Point(0, 0));
Rectangle workingArea = Screen.FromControl(this.Edit).WorkingArea;
size.Width = Math.Max(rectangle.Width + 1, size.Width);
point.X = Math.Min((workingArea.X + workingArea.Width) - size.Width, Math.Max(workingArea.X, ((point.X + rectangle.X) + rectangle.Width) - size.Width));
point.Y += rectangle.Y;
if ((workingArea.Y + workingArea.Height) < ((size.Height + point.Y) + this.Edit.Height))
{
point.Y -= size.Height;
this.dropDownHolder.ResizeUp = true;
}
else
{
point.Y += rectangle.Height + 1;
this.dropDownHolder.ResizeUp = false;
}
System.Windows.Forms.UnsafeNativeMethods.SetWindowLong(new HandleRef(this.dropDownHolder, this.dropDownHolder.Handle), -8, new HandleRef(this, base.Handle));
this.dropDownHolder.SetBounds(point.X, point.Y, size.Width, size.Height);
System.Windows.Forms.SafeNativeMethods.ShowWindow(new HandleRef(this.dropDownHolder, this.dropDownHolder.Handle), 8);
this.Edit.Filter = true;
this.dropDownHolder.Visible = true;
this.dropDownHolder.FocusComponent();
this.SelectEdit(false);
try
{
this.DropDownButton.IgnoreMouse = true;
this.dropDownHolder.DoModalLoop();
}
finally
{
this.DropDownButton.IgnoreMouse = false;
}
if (this.selectedRow != -1)
{
this.FocusInternal();
this.SelectRow(this.selectedRow);
}
}
protected override void Dispose(bool disposing)
{
if (disposing)
{
if (this.scrollBar != null)
{
this.scrollBar.Dispose();
}
if (this.listBox != null)
{
this.listBox.Dispose();
}
if (this.dropDownHolder != null)
{
this.dropDownHolder.Dispose();
}
this.scrollBar = null;
this.listBox = null;
this.dropDownHolder = null;
this.ownerGrid = null;
this.topLevelGridEntries = null;
this.allGridEntries = null;
this.serviceProvider = null;
this.topHelpService = null;
if ((this.helpService != null) && (this.helpService is IDisposable))
{
((IDisposable) this.helpService).Dispose();
}
this.helpService = null;
if (this.edit != null)
{
this.edit.Dispose();
this.edit = null;
}
if (this.fontBold != null)
{
this.fontBold.Dispose();
this.fontBold = null;
}
if (this.btnDropDown != null)
{
this.btnDropDown.Dispose();
this.btnDropDown = null;
}
if (this.btnDialog != null)
{
this.btnDialog.Dispose();
this.btnDialog = null;
}
if (this.toolTip != null)
{
this.toolTip.Dispose();
this.toolTip = null;
}
}
base.Dispose(disposing);
}