private Image GetNativeMenuItemImage()
{
if ((this.nativeMenuCommandID == -1) || (this.nativeMenuHandle == IntPtr.Zero))
{
return(null);
}
System.Windows.Forms.NativeMethods.MENUITEMINFO_T_RW lpmii = new System.Windows.Forms.NativeMethods.MENUITEMINFO_T_RW {
fMask = 0x80,
fType = 0x80,
wID = this.nativeMenuCommandID
};
System.Windows.Forms.UnsafeNativeMethods.GetMenuItemInfo(new HandleRef(this, this.nativeMenuHandle), this.nativeMenuCommandID, false, lpmii);
if ((lpmii.hbmpItem != IntPtr.Zero) && (lpmii.hbmpItem.ToInt32() > 11))
{
return(Image.FromHbitmap(lpmii.hbmpItem));
}
int num = -1;
switch (lpmii.hbmpItem.ToInt32())
{
case 2:
case 9:
num = 3;
break;
case 3:
case 7:
case 11:
num = 1;
break;
case 5:
case 6:
case 8:
num = 0;
break;
case 10:
num = 2;
break;
}
if (num <= -1)
{
return(null);
}
Bitmap image = new Bitmap(0x10, 0x10);
using (Graphics graphics = Graphics.FromImage(image))
{
ControlPaint.DrawCaptionButton(graphics, new Rectangle(Point.Empty, image.Size), (CaptionButton)num, ButtonState.Flat);
graphics.DrawRectangle(SystemPens.Control, 0, 0, image.Width - 1, image.Height - 1);
}
image.MakeTransparent(SystemColors.Control);
return(image);
}
private bool GetNativeMenuItemEnabled()
{
if ((this.nativeMenuCommandID == -1) || (this.nativeMenuHandle == IntPtr.Zero))
{
return(false);
}
System.Windows.Forms.NativeMethods.MENUITEMINFO_T_RW lpmii = new System.Windows.Forms.NativeMethods.MENUITEMINFO_T_RW {
cbSize = Marshal.SizeOf(typeof(System.Windows.Forms.NativeMethods.MENUITEMINFO_T_RW)),
fMask = 1,
fType = 1,
wID = this.nativeMenuCommandID
};
System.Windows.Forms.UnsafeNativeMethods.GetMenuItemInfo(new HandleRef(this, this.nativeMenuHandle), this.nativeMenuCommandID, false, lpmii);
return((lpmii.fState & 3) == 0);
}
internal static ToolStripDropDownMenu FromHMenu(IntPtr hmenu, IWin32Window targetWindow)
{
ToolStripDropDownMenu menu = new ToolStripDropDownMenu();
menu.SuspendLayout();
HandleRef hMenu = new HandleRef(null, hmenu);
int menuItemCount = System.Windows.Forms.UnsafeNativeMethods.GetMenuItemCount(hMenu);
for (int i = 0; i < menuItemCount; i++)
{
ToolStripItem item;
System.Windows.Forms.NativeMethods.MENUITEMINFO_T_RW lpmii = new System.Windows.Forms.NativeMethods.MENUITEMINFO_T_RW {
cbSize = Marshal.SizeOf(typeof(System.Windows.Forms.NativeMethods.MENUITEMINFO_T_RW)),
fMask = 0x100,
fType = 0x100
};
System.Windows.Forms.UnsafeNativeMethods.GetMenuItemInfo(hMenu, i, true, lpmii);
if (lpmii.fType == 0x800)
{
item = new ToolStripSeparator();
}
else
{
lpmii = new System.Windows.Forms.NativeMethods.MENUITEMINFO_T_RW {
cbSize = Marshal.SizeOf(typeof(System.Windows.Forms.NativeMethods.MENUITEMINFO_T_RW)),
fMask = 2,
fType = 2
};
System.Windows.Forms.UnsafeNativeMethods.GetMenuItemInfo(hMenu, i, true, lpmii);
item = new ToolStripMenuItem(hmenu, lpmii.wID, targetWindow);
lpmii = new System.Windows.Forms.NativeMethods.MENUITEMINFO_T_RW {
cbSize = Marshal.SizeOf(typeof(System.Windows.Forms.NativeMethods.MENUITEMINFO_T_RW)),
fMask = 4,
fType = 4
};
System.Windows.Forms.UnsafeNativeMethods.GetMenuItemInfo(hMenu, i, true, lpmii);
if (lpmii.hSubMenu != IntPtr.Zero)
{
((ToolStripMenuItem)item).DropDown = FromHMenu(lpmii.hSubMenu, targetWindow);
}
}
menu.Items.Add(item);
}
menu.ResumeLayout();
return(menu);
}
private string GetNativeMenuItemTextAndShortcut()
{
if ((this.nativeMenuCommandID == -1) || (this.nativeMenuHandle == IntPtr.Zero))
{
return(null);
}
string str = null;
System.Windows.Forms.NativeMethods.MENUITEMINFO_T_RW lpmii = new System.Windows.Forms.NativeMethods.MENUITEMINFO_T_RW {
fMask = 0x40,
fType = 0x40,
wID = this.nativeMenuCommandID,
dwTypeData = IntPtr.Zero
};
System.Windows.Forms.UnsafeNativeMethods.GetMenuItemInfo(new HandleRef(this, this.nativeMenuHandle), this.nativeMenuCommandID, false, lpmii);
if (lpmii.cch > 0)
{
lpmii.cch++;
lpmii.wID = this.nativeMenuCommandID;
IntPtr ptr = Marshal.AllocCoTaskMem(lpmii.cch * Marshal.SystemDefaultCharSize);
lpmii.dwTypeData = ptr;
try
{
System.Windows.Forms.UnsafeNativeMethods.GetMenuItemInfo(new HandleRef(this, this.nativeMenuHandle), this.nativeMenuCommandID, false, lpmii);
if (lpmii.dwTypeData != IntPtr.Zero)
{
str = Marshal.PtrToStringAuto(lpmii.dwTypeData, lpmii.cch);
}
}
finally
{
if (ptr != IntPtr.Zero)
{
Marshal.FreeCoTaskMem(ptr);
}
}
}
return(str);
}
private string GetNativeMenuItemTextAndShortcut()
{
if ((this.nativeMenuCommandID == -1) || (this.nativeMenuHandle == IntPtr.Zero))
{
return null;
}
string str = null;
System.Windows.Forms.NativeMethods.MENUITEMINFO_T_RW lpmii = new System.Windows.Forms.NativeMethods.MENUITEMINFO_T_RW {
fMask = 0x40,
fType = 0x40,
wID = this.nativeMenuCommandID,
dwTypeData = IntPtr.Zero
};
System.Windows.Forms.UnsafeNativeMethods.GetMenuItemInfo(new HandleRef(this, this.nativeMenuHandle), this.nativeMenuCommandID, false, lpmii);
if (lpmii.cch > 0)
{
lpmii.cch++;
lpmii.wID = this.nativeMenuCommandID;
IntPtr ptr = Marshal.AllocCoTaskMem(lpmii.cch * Marshal.SystemDefaultCharSize);
lpmii.dwTypeData = ptr;
try
{
System.Windows.Forms.UnsafeNativeMethods.GetMenuItemInfo(new HandleRef(this, this.nativeMenuHandle), this.nativeMenuCommandID, false, lpmii);
if (lpmii.dwTypeData != IntPtr.Zero)
{
str = Marshal.PtrToStringAuto(lpmii.dwTypeData, lpmii.cch);
}
}
finally
{
if (ptr != IntPtr.Zero)
{
Marshal.FreeCoTaskMem(ptr);
}
}
}
return str;
}
private Image GetNativeMenuItemImage()
{
if ((this.nativeMenuCommandID == -1) || (this.nativeMenuHandle == IntPtr.Zero))
{
return null;
}
System.Windows.Forms.NativeMethods.MENUITEMINFO_T_RW lpmii = new System.Windows.Forms.NativeMethods.MENUITEMINFO_T_RW {
fMask = 0x80,
fType = 0x80,
wID = this.nativeMenuCommandID
};
System.Windows.Forms.UnsafeNativeMethods.GetMenuItemInfo(new HandleRef(this, this.nativeMenuHandle), this.nativeMenuCommandID, false, lpmii);
if ((lpmii.hbmpItem != IntPtr.Zero) && (lpmii.hbmpItem.ToInt32() > 11))
{
return Image.FromHbitmap(lpmii.hbmpItem);
}
int num = -1;
switch (lpmii.hbmpItem.ToInt32())
{
case 2:
case 9:
num = 3;
break;
case 3:
case 7:
case 11:
num = 1;
break;
case 5:
case 6:
case 8:
num = 0;
break;
case 10:
num = 2;
break;
}
if (num <= -1)
{
return null;
}
Bitmap image = new Bitmap(0x10, 0x10);
using (Graphics graphics = Graphics.FromImage(image))
{
ControlPaint.DrawCaptionButton(graphics, new Rectangle(Point.Empty, image.Size), (CaptionButton) num, ButtonState.Flat);
graphics.DrawRectangle(SystemPens.Control, 0, 0, image.Width - 1, image.Height - 1);
}
image.MakeTransparent(SystemColors.Control);
return image;
}
private bool GetNativeMenuItemEnabled()
{
if ((this.nativeMenuCommandID == -1) || (this.nativeMenuHandle == IntPtr.Zero))
{
return false;
}
System.Windows.Forms.NativeMethods.MENUITEMINFO_T_RW lpmii = new System.Windows.Forms.NativeMethods.MENUITEMINFO_T_RW {
cbSize = Marshal.SizeOf(typeof(System.Windows.Forms.NativeMethods.MENUITEMINFO_T_RW)),
fMask = 1,
fType = 1,
wID = this.nativeMenuCommandID
};
System.Windows.Forms.UnsafeNativeMethods.GetMenuItemInfo(new HandleRef(this, this.nativeMenuHandle), this.nativeMenuCommandID, false, lpmii);
return ((lpmii.fState & 3) == 0);
}
internal static ToolStripDropDownMenu FromHMenu(IntPtr hmenu, IWin32Window targetWindow)
{
ToolStripDropDownMenu menu = new ToolStripDropDownMenu();
menu.SuspendLayout();
HandleRef hMenu = new HandleRef(null, hmenu);
int menuItemCount = System.Windows.Forms.UnsafeNativeMethods.GetMenuItemCount(hMenu);
for (int i = 0; i < menuItemCount; i++)
{
ToolStripItem item;
System.Windows.Forms.NativeMethods.MENUITEMINFO_T_RW lpmii = new System.Windows.Forms.NativeMethods.MENUITEMINFO_T_RW {
cbSize = Marshal.SizeOf(typeof(System.Windows.Forms.NativeMethods.MENUITEMINFO_T_RW)),
fMask = 0x100,
fType = 0x100
};
System.Windows.Forms.UnsafeNativeMethods.GetMenuItemInfo(hMenu, i, true, lpmii);
if (lpmii.fType == 0x800)
{
item = new ToolStripSeparator();
}
else
{
lpmii = new System.Windows.Forms.NativeMethods.MENUITEMINFO_T_RW {
cbSize = Marshal.SizeOf(typeof(System.Windows.Forms.NativeMethods.MENUITEMINFO_T_RW)),
fMask = 2,
fType = 2
};
System.Windows.Forms.UnsafeNativeMethods.GetMenuItemInfo(hMenu, i, true, lpmii);
item = new ToolStripMenuItem(hmenu, lpmii.wID, targetWindow);
lpmii = new System.Windows.Forms.NativeMethods.MENUITEMINFO_T_RW {
cbSize = Marshal.SizeOf(typeof(System.Windows.Forms.NativeMethods.MENUITEMINFO_T_RW)),
fMask = 4,
fType = 4
};
System.Windows.Forms.UnsafeNativeMethods.GetMenuItemInfo(hMenu, i, true, lpmii);
if (lpmii.hSubMenu != IntPtr.Zero)
{
((ToolStripMenuItem) item).DropDown = FromHMenu(lpmii.hSubMenu, targetWindow);
}
}
menu.Items.Add(item);
}
menu.ResumeLayout();
return menu;
}
