Hi Ralph,
Please follow these steps when you use a CustomSplashPanel within a splashControl.
1.] Drag and drop a splash control .
2.] Set the CustomSplashPanel property of splashcontrol to your splashpanel.
this.splashControl1.UseCustomSplashPanel = true;
this.splashControl1.CustomSplashPanel = this.splashPanel1;
3.] Depending upon the scenario where you need to display the Splash,you can add the below given code.
this.splashControl1.ShowSplash (false);
With the above mentioned steps,I hope your query of Splash displayed on the Host Form is answered.
Please take a look at the sample attached and let us know if you need furthur assistance.
Sample
Thank you for choosing Syncfusion.
Regards,
Anu.