5 references to IsNull
System.Windows.Forms (5)
System\Windows\Forms\Controls\ToolStrips\ToolStripDropDownMenu.cs (1)
259
if (!info.hSubMenu.
IsNull
)
System\Windows\Forms\Controls\ToolStrips\ToolStripMenuItem.cs (2)
233
&& !_nativeMenuHandle.
IsNull
657
if (_nativeMenuCommandID == -1 || _nativeMenuHandle.
IsNull
)
System\Windows\Forms\Form.cs (2)
6211
if (!dummyMenu.
IsNull
)
6225
if (!hMenu.
IsNull
)