QMedia Grabber channel commands |

### QM_GetChannelRect

QM_GetChannelRect(areaRef; channelRef; channelLeft; channelTop; channelRight; channelBottom):error
| areaRef | Longint | Grabber area reference
| channelRef | Longint | Channel reference
| channelLeft | Longint | Channel left
| channelTop | Longint | Channel top
| channelRight | Longint | Channel right
| channelBottom | Longint | Channel bottom
| error | Longint | Error result

Returns the boundary rectangle of a channel in a grabber plug-in area. The rectangle's coordinates are relative to the top-left corner of the plug-in area.

The grabber plug-in area is specified by areaRef.

Parameter channelRef is the reference to the channel. The channel reference must have been previously obtained with a call to QM_NewChannel.

Parameters channelLeft, channelTop, channelRight and channelBottom receive the coordinates of the channel's left, top, right and bottom edges respectively. All coordinates are relative to the top-left corner of the plug-in area.

Example

`C_LONGINT($channelLeft;$channelTop;$channelRight;$channelBottom)` `` `$error:=QM_GetChannelRect(xGrabber;$videoChannel;$channelLeft;$channelTop;$channelRight;$channelBottom)` ``

Related commands

QM_GetAreaRect | Returns the coordinates of a movie plug-in area.

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