beremiz

Fix exception when canvas becomes null because of window resize, and avoid useless parameter+condition in GetLogicalDC
wxPython4
2021-09-05, Edouard Tisserant
3d736248ab3b
Fix exception when canvas becomes null because of window resize, and avoid useless parameter+condition in GetLogicalDC
[TOPOLOGY]
NetName=None
Nodes=0x01
Node2Present=0x01
Node2Name=SlaveNode
Node2DCFName=Slave_0_0.eds
EDSBaseName=eds