6 references to IsNull
System.Windows.Forms (6)
System\Windows\Forms\Controls\ImageList\ImageListStreamer.cs (1)
123
if (handle.
IsNull
)
System\Windows\Forms\Controls\ToolStrips\ToolStripMenuItem.cs (1)
234
&& !_targetWindowHandle.
IsNull
System\Windows\Forms\Dialogs\CommonDialogs\CommonDialog.cs (2)
202
if (ownerHwnd.
IsNull
)
207
if (ownerHwnd.
IsNull
)
System\Windows\Forms\Form.cs (2)
5506
if (!ownerHwnd.
IsNull
&& ownerHwnd.Handle != HWND)
5733
if (!ownerHwnd.
IsNull
&& ownerHwnd.Handle != HWND)